Appendix II Corrections

page 421:

WAS: x^+    x \wedge 0

IS:  x^+    x \vee 0

Correction by Mengxiang Tang, 1 July 1996

http://www-hto.usc.edu/books/msw/msg/corrections/AppendixII/index.html, webmaster@hto.usc.edu, 30 August 1996